Day 4 on my Melanotan 2 journey , Slowly but surely definitely noticing my complexion getting a little darker now , Nothing over the top yet, but the color is gradually building and starting to Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Can You Take Too Much Melanotan? A Z Guide Pyoderma Gangrenosum Secondary to Melanotan Cureus